Abstract: A compression tool for an overrun clutch assembly, the overrun clutch assembly being positioned within a casing having upstanding side walls with a plurality of apertures provided therein, the upstanding side walls of the casing surrounding an outwardly biased clutch component, the compression tool including a hub member, a plurality of spoke members radiating outward from the hub member for engaging at least some of the plurality of apertures provided in the side walls of the casing, a compression member for engaging a surface of the outwardly biased clutch component, the compression member including a substantially annular shaped member, a translation mechanism for positively moving the compression member away from the hub member and in the direction of the outwardly biased clutch component, a releasable connection mechanism for releasably connecting at least some of the plurality of spoke members to the hub member, a pair of substantially upright members extending upward from the compression member, and a